MAX24287ETK2: High-Performance USB 2.0 Signal Conditioner with Integrated ESD Protection

In the realm of high-speed data interfaces, signal integrity is paramount. The MAX24287ETK2 from Analog Devices stands out as a highly integrated, single-channel solution designed specifically to enhance and protect USB 2.0 signals. This device addresses two critical challenges in modern electronic design: maintaining signal quality over extended distances and protecting sensitive circuitry from electrostatic discharge (ESD).

The core function of the MAX24287ETK2 is as a signal conditioner or redriver. As USB signals travel across cables and through connectors, they suffer from attenuation and jitter, which can lead to data errors and unreliable connections. This IC actively compensates for these losses by re-amplifying and reshaping the degraded signal, ensuring robust data recovery at the host or peripheral end. This capability is crucial for passing stringent USB compliance tests, especially when using long or low-quality cables.

A key feature of this component is its integrated ESD protection. It provides robust ±15kV (IEC 61000-4-2, Air-gap) protection on the USB data lines, shielding the downstream system-on-chip (SoC) or processor from damaging transient voltage spikes. This integration simplifies board design by eliminating the need for external TVS diodes, saving valuable board space and reducing the overall bill of materials (BOM) cost.

The device offers design flexibility through automatic receiver detection and adjustable equalization (EQ) and output swing. This programmability allows designers to fine-tune the device's performance to optimize it for their specific channel characteristics, whether for a smartphone, tablet, or industrial computer. Furthermore, its low-power operation and small, 1.6mm x 1.6mm TDFN package make it an ideal choice for space-constrained and power-sensitive portable applications.

ICGOODFIND: The MAX24287ETK2 is an essential component for designers seeking to ensure robust USB 2.0 connectivity. By combining high-performance signal conditioning with superior integrated ESD protection in a minuscule package, it effectively solves common signal integrity problems while enhancing system reliability and simplifying the design process.

Keywords: USB 2.0, Signal Conditioner, ESD Protection, Signal Integrity, Redriver